Deformation Responses and Mechanical Mechanism of Existing Tunnel due to New Building Construction

Table 10

The stress increment of the calculation points after the dewatering.

Point	Total vertical stress	Pore water pressure	Effective stress	Total horizontal stress
A
B

where γ =natural gravity of soil, γ_sat = saturated unit weight of soil, = floating soil mass,  = the gravity of water, and K₀ = lateral pressure coefficient.